Anton Podviaznikov

report on claude code usage

~13.6K
github / yr pace
1,577
hours w/ Claude Code
since Sep '25
79K
prompts
since Sep '25
3,392
sessions
since Sep '25
104
plans
since Apr '26
42%
AI co-authored
since Nov '25
Tools
GhosttyGhostty
ClaudeClaude
ZedZed
XcodeXcode

15 years on GitHub. Solo founder building 30+ products in a single monorepo. AI-first development since late 2025 — Claude Code as primary programming partner. This report is generated from real usage data: GitHub contributions, Claude conversation logs (since Sep 2025), and git commit metadata.

GitHub contributions by year

201120122013201420152016201720182019202020212022202320242025202602,0004,0006,0008,00010,00012,000Contributions →1,1603921,8021,0083,3853,0711,5103633022272,1823,8404,9983,1977,0565,664 (~14K)

Daily active hours with Claude Code

0246810121416↑ Hours / dayOct2025NovDecJan2026FebMarAprMay
MonthHoursMessagesSessionsAvg sessionMsg/sessionMsg/hr
Sep '25 36 1,089 25 86 min 44 30.4
Oct '25 198 5,636 212 57 min 27 28.5
Nov '25 162 5,746 250 39 min 23 35.5
Dec '25 188 10,462 202 56 min 52 55.8
Jan '26 127 7,028 183 42 min 38 55.4
Feb '26 179 10,172 232 46 min 44 56.8
Mar '26 283 16,008 244 70 min 66 56.6
Apr '26 253 15,211 878 34 min 113 60.1
May '26 152 7,916 1166 26 min 121 52

Claude Code records

13.6h
busiest day
8h 8m
longest session
23
msg / session
50
msg / hour
104
plans created
busiest day: Mar 25 (13.6 hrs, 757 messages) · longest session: 8h 8m on Sep 30 at 11:18 (233 messages) · median session: 19m

Parallel sessions (since April 2026)

10
peak concurrent
2.82
avg concurrent
77.1%
time in parallel
05101520↑ % of active time12345678910Concurrent sessions22.9%23.6%22.5%17.7%7.8%3.8%1.1%

Claude Code activity heatmap — hour vs day of week

00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00MonTueWedThuFriSatSun

Claude Code co-authored commits

01020304050607080↑ % AI co-authoredDec2025Jan2026FebMarAprMay40%15%14%42%67%54%47%

Claude Code monthly usage

0K5K10K15K↑ PromptsSep '25Oct '25Nov '25Dec '25Jan '26Feb '26Mar '26Apr '26May '261.1K5.6K5.7K10.5K7.0K10.2K16.0K15.2K7.9K (~11.7K)
0M5M10M15M↑ Tokens (I/O)Sep '25Oct '25Nov '25Dec '25Jan '26Feb '26Mar '26Apr '26May '261.1M1.5M4.1M11.2M11.9M (~17.6M)
05001,0001,500↑ SessionsSep '25Oct '25Nov '25Dec '25Jan '26Feb '26Mar '26Apr '26May '26252122502021832322448781166 (~1721)

Jan and Feb 2026 are partially undercounted — significant work was done via a different Claude account.

Claude Code tool usage (since April 2026)

80,828
tool calls
2,611
files created
1,779
files edited
3,931
files read
ReadBashEditGrepWriteGlobWebFetchWebSearchExitPlanPlanModeAskUser02,0004,0006,0008,00010,00012,00014,00016,00018,00020,000Calls →20,45017,79314,1638,5293,9701,4811,3101,02232631867

Workflow

Selected projects

tinydot
Publish files to the web by dragging them into a synced folder
sublimated
Auto-sync files to the web with built-in version control
popssh
SSH client for macOS with Finder-based file browsing
bloodywork
Upload blood test PDFs and track biomarkers over time
altoindex
Transform Apple app data into AI-ready markdown
tinysend
Send newsletters from your email client to a custom domain

+ more in private repos